CN102032509A - Focusing lamp - Google Patents
Focusing lamp Download PDFInfo
- Publication number
- CN102032509A CN102032509A CN2010102949751A CN201010294975A CN102032509A CN 102032509 A CN102032509 A CN 102032509A CN 2010102949751 A CN2010102949751 A CN 2010102949751A CN 201010294975 A CN201010294975 A CN 201010294975A CN 102032509 A CN102032509 A CN 102032509A
- Authority
- CN
- China
- Prior art keywords
- adjusting rod
- reflector
- lamp
- focusing
- big
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a focusing lamp which comprises a lamp shell, a big reflecting cup, a small reflecting cup coaxially arranged in the big reflecting cup in the same direction, and a light source extending from the axle center of the big and small reflecting cups. An adjusting rod parallel with the axis of the big and small reflecting cups is also fixed on the lamp shell; one end of the adjusting rod extends out of the lamp shell, and the other end of the adjusting rod is provided with an adjusting block in threaded fit with the adjusting rod; when the adjusting rod rotates, the adjusting block can axially move along the thread on the adjusting rod; and the small reflecting cup is fixedly connected on the adjusting block. In the invention, the small reflecting cup is placed on the adjusting block in threaded fit with the adjusting rod, the adjusting rod is rotated so that the adjusting block performs linear transmission on the thread of the adjusting rod and drives the small reflecting cup to linearly move along the axis to change the focusing state of the lights on the inner ring, thus, good condensation and floodlighting effects can be achieved, and the requirements on short-distance work lighting and long-distance projection lighting are met. The focusing structure has the advantages of simple structure, stable transmission and good focusing effect.
Description
Technical field
The present invention relates to a kind of light fixture, more particularly, relate to a kind of focusing lamp.
Background technology
Often need use light fixture at the explosion-proof area of industries such as oil, petrochemical industry, boats and ships and at operation fields such as army, public security, electric power, metallurgy, airport, railway, tunnel, industrial and mining enterprises with focusing function.When night work, realize light fixture optically focused and two kinds of functions of floodlight by focusing, thereby make it satisfy near work illumination and remote flood lighting demand.
And present focusing lamp generally can be provided with focus control on light fixture, changes the focus state of light by mobile reflector.And when mobile reflector, on the one hand, because reflector is in order to satisfy the ray cast needs, its overall volume is relatively large, needs a bigger space when mobile, causes the light fixture volume big, and the cost height uses inconvenience; On the other hand, existing focus control is also complicated, adopts slip transmission or rolling transmission, moves not steadily, influences illuminating effect.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective of prior art, provide a kind of simple in structure, focus effect good, can obtain the focusing lamp of good illumination effect.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of focusing lamp, comprise lamp housing, be located at the big reflector in the lamp housing, coaxial and be arranged at little reflector in the described big reflector and the light source that stretches out by the axle center of described big reflector and little reflector in the same way, also fix on the described lamp housing one with described big reflector and the parallel adjusting rod of little reflector axis, described adjusting rod one end stretches out outside the described lamp housing, the other end of described adjusting rod is provided with regulating block, described regulating block comprises the adjusting portion with described adjusting rod threaded engagement, the gib block portion parallel with adjusting portion screwed hole axis with axis; One sidewall of described adjusting portion is extended with the gripper jaw of two relative bendings, an end of two the described gib block of described gripper jaw latch closure portions, and described little reflector is fixedly connected on the other end of described gib block; When described adjusting rod rotated, described adjusting portion moved axially along the screw thread on the adjusting rod, and drove little reflector in the described gib block portion along the axis direction translation.
Particularly, have trapezoidal external screw thread on the described adjusting rod, have the trapezoidal internal thread that cooperates with described trapezoidal external screw thread on the described adjusting portion.
Further, inwardly extend a hollow in the described lamp housing and can hold the boss that described adjusting rod wears, be provided with an annular slot on the described adjusting rod and with the end face junction of described boss, in described draw-in groove, be provided with a back-up ring.
Further, be provided with a storage tank on the described lamp housing and with the external part junction of described adjusting rod, described storage tank is placed a sealing ring.
Further, the end end that cooperates with described regulating block of described adjusting rod is provided with the catch that is used for spacing described regulating block.
Further, described adjusting rod stretches out a sheathed knob on the outer end of described housing.
Further, the other end of described gib block portion is provided with screw, utilizes a support that described little reflector is fixed on the described regulating block by this screw.
Preferably, described big reflector and little reflector are the bowl structure that varies in size.
Preferably, described big reflector and little reflector all adopt rafifinal to make.
Among the present invention, little reflector is positioned on the regulating block with the adjusting rod threaded engagement, make regulating block on the screw thread of adjusting rod, do the straight line transmission by the rotation adjusting rod, and then drive described little reflector changes inner ring light along its axis rectilinear motion focus state by gib block portion, thereby obtain good optically focused and floodlight effect, satisfy the demand of near work illumination and remote flood lighting, this focusing structure is simple, transmission stable, and focus effect is good.
Description of drawings
Fig. 1 is the structural representation of the light fixture that provides of preferred embodiment of the present invention;
Fig. 2 is an A-A cut-away view among Fig. 1;
Fig. 3 is a B-B cut-away view among Fig. 1;
Fig. 4 is the structural representation of regulating block in the embodiment of the invention;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is a C-C cut-away view among Fig. 5;
Fig. 7 is the structural representation of big reflector in the present embodiment;
Fig. 8 is the structural representation of the medium and small reflector of present embodiment;
Fig. 9 is the annexation schematic diagram of present embodiment support and associated components.
The specific embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, Fig. 2, be the structural representation of a kind of focusing lamp provided by the invention.Described focusing lamp, comprise lamp housing 1, be located at the big reflector 2 in the lamp housing 1, coaxial and be arranged at little reflector 3 in the described big reflector 2 and the light source 4 that stretches out by the axle center of described big reflector 2 and little reflector 3 in the same way, also fix on the described lamp housing 1 one with described big reflector 2 and the parallel adjusting rod 5 of little reflector 3 axis, described adjusting rod 5 one ends stretch out outside the described lamp housing 1, the other end of described adjusting rod 5 is provided with regulating block 6, described regulating block 6 can move axially along the screw thread on the adjusting rod 5 when described adjusting rod 5 rotates, and drives described little reflector 3 along its axis direction translation.
With reference to Fig. 3, Fig. 4, described regulating block 6 comprises: with adjusting portion 61, the axis and the parallel gib block portion 62 of adjusting portion 61 screwed hole axis of described adjusting rod 5 threaded engagement.Among the present invention, little reflector 3 is positioned on the adjusting portion 61 with adjusting rod 5 threaded engagement, make adjusting portion 61 on the screw thread of adjusting rod 5, do the straight line transmission by rotation adjusting rod 5, and then drive described little reflector 3 by gib block portion 62 and move along the direction parallel and change the focus state of inner ring light with its axis, thereby obtain good optically focused and floodlight effect, satisfy the demand of near work illumination and remote flood lighting, this focusing structure is simple, transmission stable, and focus effect is good.
Particularly, please refer to Fig. 4 to Fig. 6,611, two described gripper jaw 611 latch closures of gripper jaw of two relative bendings of described adjusting portion 61 1 sides extension are located at an end of gib block portion 62.Like this, by the position-limiting action of gripper jaw 611, avoid adjusting portion 61 to take place radially to rotate.Simultaneously, the other end of described gib block portion 62 is provided with screw 621, utilizes support 7 by this screwed hole 621, and little reflector 3 is fixed on the regulating block 6.As shown in Figure 9, support 7 can be a platy structure, the centre has through hole 71, be used for light source and pass, the inwall of through hole 71 is offered the convex annular table top and is used for fixing little reflector 3, as shown in Figure 2, holder part is positioned at the inside of big reflector 2, with approximate in order to through hole 71 diameters that pass light source on the big reflector 2, support 7 tops are provided with locating hole, in order to by screw support 7 firmly is connected with screwed hole 621.Like this, adjusting portion 61 moves axially along the external screw thread 51 of described adjusting rod 5, drive gib block portion 62 and move axially, thereby described little reflector 3 carries out axial-movement in the axis direction translation of the described little reflector 3 of gib block portion 62 and support 7 drive lower edges.
Please refer to Fig. 2, Fig. 7, Fig. 8, described lamp housing 1 is one to have the hood-like structure of opening, is provided with support column 11 in the bottom inside of its hood-like structure.Described big reflector 2 and the bowl structure of little reflector 3 for varying in size, and the bottom of described big reflector 2 is fixed on the described support column 11 by screw.The described little reflector 3 coaxial inside of being located at described big reflector 2 in the same way.Described light source 4 is fixed on the described support column 11, and is stretched out by the axle center of described big reflector 2 and little reflector 3.
In the present embodiment, described big reflector 2 and little reflector 3 all adopt rafifinal to make, and the rafifinal of the inner surface of each reflector has good reflectivity and oxidation resistance through special surface treatment, simultaneously, the reflector heat-sinking capability of this aluminum is also better.
Referring again to Fig. 3, Fig. 4, described adjusting rod 5 one ends have external screw thread 51, described adjusting portion 61 has the internal thread 612 that cooperates with described external screw thread 51, and described adjusting rod 5 stretches out outside the described lamp housing 1 away from the other end of external screw thread 51, and on external part a sheathed knob 8.Because adjusting rod 5 and adjusting portion 61 threaded engagement drive adjusting rod 5 by rotation knob 8 and rotate, thereby the internal thread 612 of described adjusting portion 61 moves as straight line under external screw thread 51 engagements.Adopt this rotatablely moving to be converted into straight-line mode, 5 of adjusting rods need to rotate, and the distance of adjusting portion 61 moving linearlies is little, and therefore, it is little to take up room, and make the lamp interior more compact structure.
Further, in the present embodiment, described external screw thread 51 and internal thread 612 are trapezoidal thread, adopt trapezoidal thread, internal and external screw thread is adjacent to the conical surface and is difficult for becoming flexible, it is more steady to turn round during engagement, and adjusting portion 61 can not produce and rock, and the little reflector 3 that is connected with adjusting portion 61 also can move axially reposefully.Simultaneously, this trapezoidal thread, simple in structure, easy to process, have auto-lock function, when moving to the optional position, adjusting portion 61 all can locate.
With reference to Fig. 5, in the present embodiment, in described lamp housing 1, inwardly extend a hollow and can hold the boss 12 that described adjusting rod 5 wears, be provided with an annular slot 52 on the described adjusting rod 5 and with end face 121 junctions of described boss 12, in described draw-in groove 52, be provided with a back-up ring 9.Like this, spacing by back-up ring 9 and described boss 12 avoids adjusting rod 5 axially outwards to move when rotated, simultaneously, because outside knob 8 is spacing with lamp housing 1, avoids adjusting rod 5 axially to move inward, so adjusting rod 5 firmly is limited on the lamp housing 1 and can only rotates.
Further, referring again to Fig. 5, in order to ensure the light fixture excellent sealing performance, be provided with a storage tank 13 on the described lamp housing 1 and with the external part junction of described adjusting rod 5, described storage tank 13 is placed a sealing ring 10.
Because during rotation knob 8, described adjusting portion 61 moves on the external screw thread 51 of described adjusting rod 5 one ends, for avoiding adjusting portion 61 when mobile, to come off by the end of described adjusting rod 5, in the present embodiment, described adjusting rod 5 has the end end that external screw thread 51 promptly cooperates with described adjusting portion 61 and is fixed with the catch 101 that is used to keep out described adjusting portion 61 by screw.
In the present embodiment, when described focusing lamp is worked, since light source 4 fixed-site, big reflector 2 fixed-site outside being positioned at, and a part of light that light source 4 sends forms a stable outer ring irradiation area after big reflector 2 reflections in the outside; The knob 8 in rotation lamp housing 1 outside is regulated little reflector 3, it is moved along self axis, thereby realize the focusing function, and after little reflector 3 moved, light source 4 was in its focal position relatively, and then light can parallel ejaculation through little reflector 3, realizes light-focusing function; After little reflector 3 moved, light source 4 was in the off-focal position relatively, and then light can evenly exhale through little reflector 3, realized the floodlight function.Simple by said structure, as to operate steadily focusing structure can make things convenient for, freely change between two kinds of functions, thereby satisfies the demand of near work illumination and remote flood lighting.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. focusing lamp, comprise lamp housing, be located at the big reflector in the lamp housing, coaxial and be arranged at little reflector in the described big reflector and the light source that stretches out by the axle center of described big reflector and little reflector in the same way, it is characterized in that: also fix on the described lamp housing one with described big reflector and the parallel adjusting rod of little reflector axis, described adjusting rod one end stretches out outside the described lamp housing, the other end of described adjusting rod is provided with regulating block, described regulating block comprises the adjusting portion with described adjusting rod threaded engagement, the gib block portion parallel with adjusting portion screwed hole axis with axis; One sidewall of described adjusting portion is extended with the gripper jaw of two relative bendings, an end of two the described gib block of described gripper jaw latch closure portions, and described little reflector is fixedly connected on the other end of described gib block; When described adjusting rod rotated, described adjusting portion moved axially along the screw thread on the adjusting rod, and drove little reflector in the described gib block portion along the axis direction translation.
2. a kind of focusing lamp as claimed in claim 1 is characterized in that: have trapezoidal external screw thread on the described adjusting rod, have the trapezoidal internal thread that cooperates with described trapezoidal external screw thread on the described adjusting portion.
3. a kind of focusing lamp as claimed in claim 1 or 2, it is characterized in that: inwardly extend a hollow in the described lamp housing and can hold the boss that described adjusting rod wears, be provided with an annular slot on the described adjusting rod and with the end face junction of described boss, in described draw-in groove, be provided with a back-up ring.
4. a kind of focusing lamp as claimed in claim 1 or 2 is characterized in that: be provided with a storage tank on the described lamp housing and with the external part junction of described adjusting rod, described storage tank is placed a sealing ring.
5. a kind of focusing lamp as claimed in claim 1 or 2 is characterized in that: the end end that described adjusting rod cooperates with described regulating block is provided with the catch that is used for spacing described regulating block.
6. a kind of focusing lamp as claimed in claim 1 is characterized in that: described adjusting rod stretches out a sheathed knob on the outer end of described housing.
7. a kind of focusing lamp as claimed in claim 1 is characterized in that: the other end of described gib block portion is provided with screw, utilizes a support that described little reflector is fixed on the described regulating block by this screw.
8. a kind of focusing lamp as claimed in claim 1 is characterized in that: described big reflector and little reflector are the bowl structure that varies in size.
9. a kind of focusing lamp as claimed in claim 1 is characterized in that: described big reflector and little reflector all adopt rafifinal to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294975 CN102032509B (en) | 2010-09-28 | 2010-09-28 | Focusing lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294975 CN102032509B (en) | 2010-09-28 | 2010-09-28 | Focusing lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102032509A true CN102032509A (en) | 2011-04-27 |
| CN102032509B CN102032509B (en) | 2013-07-10 |
Family
ID=43885767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010294975 Active CN102032509B (en) | 2010-09-28 | 2010-09-28 | Focusing lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102032509B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759083A (en) * | 2011-04-28 | 2012-10-31 | 东莞勤上光电股份有限公司 | Medicinal lamp and connecting device thereof |
| CN102954442A (en) * | 2011-08-22 | 2013-03-06 | 海洋王照明科技股份有限公司 | Lamp focusing mechanism and high bay |
| CN104132270A (en) * | 2014-08-06 | 2014-11-05 | 浙江长兴金盛光电科技有限公司 | Square hole lamp |
| CN104456270A (en) * | 2013-09-13 | 2015-03-25 | 上海莱亭景观工程有限公司 | Light outlet angle-adjustable LED wall washer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1026479A (en) * | 1996-07-09 | 1998-01-27 | Ngk Insulators Ltd | Positioning device for truck for firing |
| WO2005025934A1 (en) * | 2003-09-12 | 2005-03-24 | Richard Bryce Roan | A variable focus driving light |
| CN101603667A (en) * | 2008-06-11 | 2009-12-16 | 深圳市海洋王照明科技股份有限公司 | A kind of focusing lamp |
| CN101608772A (en) * | 2008-06-18 | 2009-12-23 | 深圳市海洋王照明科技股份有限公司 | The focus control of light fixture |
| CN101725917A (en) * | 2009-11-25 | 2010-06-09 | 海洋王照明科技股份有限公司 | Illuminating system and focal length adjustment device thereof |
-
2010
- 2010-09-28 CN CN 201010294975 patent/CN102032509B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1026479A (en) * | 1996-07-09 | 1998-01-27 | Ngk Insulators Ltd | Positioning device for truck for firing |
| WO2005025934A1 (en) * | 2003-09-12 | 2005-03-24 | Richard Bryce Roan | A variable focus driving light |
| CN101603667A (en) * | 2008-06-11 | 2009-12-16 | 深圳市海洋王照明科技股份有限公司 | A kind of focusing lamp |
| CN101608772A (en) * | 2008-06-18 | 2009-12-23 | 深圳市海洋王照明科技股份有限公司 | The focus control of light fixture |
| CN101725917A (en) * | 2009-11-25 | 2010-06-09 | 海洋王照明科技股份有限公司 | Illuminating system and focal length adjustment device thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759083A (en) * | 2011-04-28 | 2012-10-31 | 东莞勤上光电股份有限公司 | Medicinal lamp and connecting device thereof |
| CN102759083B (en) * | 2011-04-28 | 2014-03-12 | 东莞勤上光电股份有限公司 | Medicinal lamp and connecting device thereof |
| CN102954442A (en) * | 2011-08-22 | 2013-03-06 | 海洋王照明科技股份有限公司 | Lamp focusing mechanism and high bay |
| CN102954442B (en) * | 2011-08-22 | 2015-04-29 | 海洋王照明科技股份有限公司 | Lamp focusing mechanism and high bay |
| CN104456270A (en) * | 2013-09-13 | 2015-03-25 | 上海莱亭景观工程有限公司 | Light outlet angle-adjustable LED wall washer |
| CN104132270A (en) * | 2014-08-06 | 2014-11-05 | 浙江长兴金盛光电科技有限公司 | Square hole lamp |
| CN104132270B (en) * | 2014-08-06 | 2016-04-06 | 浙江长兴金盛光电科技有限公司 | Square opening lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102032509B (en) | 2013-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102032509B (en) | Focusing lamp | |
| WO2020020105A1 (en) | Varifocal structure, lamp base and illumination device | |
| CN201916729U (en) | Focusing lamp | |
| CN203024072U (en) | Adjusting lamp shell and adjustable LED (Light Emitting Diode) down lamp | |
| CN105757615A (en) | Light focusing and flooding adjustment module and lamp | |
| CN101893206B (en) | Dimming structure and lamp with same | |
| CN101893207B (en) | Dimming structure and lamp with same | |
| CN109000183B (en) | Lamp with multidirectional rotation function | |
| CN203784760U (en) | Zoom LED lamp for museum | |
| CN210831599U (en) | Telescopic angle-adjustable spotlight | |
| US10718493B2 (en) | Angle-adjustable lamp | |
| CN108119820A (en) | A kind of folding lamp die set | |
| CN204083996U (en) | Mechanical adjustable Down lamp | |
| CN203477939U (en) | Lamp with functions of condensation and floodlighting | |
| CN104296022A (en) | Mechanical angle-adjustable spot lamp and angle adjusting method thereof | |
| CN203784758U (en) | Focus-adjustable LED lamp for museum | |
| CN205896774U (en) | Flashlight with convenient focusing | |
| CN203784759U (en) | Focus-adjustable LED lamp for museum | |
| CN210950965U (en) | Polyhedral revolving stage lighting device | |
| CN201382333Y (en) | High top lamp | |
| CN210424894U (en) | Light source adjusting structure for photocatalytic disinfection | |
| CN203010219U (en) | Flashlight | |
| CN203177096U (en) | Ceiling lamp bracket and LED ceiling lamp | |
| CN104075138B (en) | Light fixture and reflector thereof regulate device | |
| CN204164829U (en) | Machinery angle modulation shot-light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |